| 摘要 |
<p>Composite absorbent material for protection of min. animals plants or technical installations against harmful radiation from a wide range of potential sources, is based on a mixture of mica, graphite, barite, barium carbide, sodium borate or cadmium, in mixed or single cpds. mixed into a matrix of glue, paint, varnish etc. and used to impregnate cloth, paper card etc. assembled into buildings, cars, furniture etc. or is in portable sheet form.</p> |
